using System;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.IO;
//tham khao
//http://www.pinvoke.net/default.aspx/coredll/PlaySound.html

namespace UltimateDefend
{
    public enum PlaySoundFlags : int
    {
        SND_SYNC = 0x0,     // play synchronously (default)
        SND_ASYNC = 0x1,    // play asynchronously
        SND_NODEFAULT = 0x2,    // silence (!default) if sound not found
        SND_MEMORY = 0x4,       // pszSound points to a memory file
        SND_LOOP = 0x8,     // loop the sound until next sndPlaySound
        SND_NOSTOP = 0x10,      // don't stop any currently playing sound
        SND_NOWAIT = 0x2000,    // don't wait if the driver is busy
        SND_ALIAS = 0x10000,    // name is a registry alias
        SND_ALIAS_ID = 0x110000,// alias is a predefined ID
        SND_FILENAME = 0x20000, // name is file name
        SND_RESOURCE = 0x40004, // name is resource name or atom
    };

    /// <summary>
    /// lop de play am thanh
    /// </summary>
    public class Sound
    {
        public Sound(Stream s)
        {
        }

        [DllImport("coredll.dll")]
        public static extern int PlaySound(string szSound, IntPtr hModule, int flags);

        public static void Beep()
        {
            Play(@"\Windows\Voicbeep");
        }

        /// <summary>
        /// ham dung de play sound
        /// </summary>
        /// <param name="fileName">duong dan cua file wav truyen vao</param>
        public static void Play(string fileName)
        {
            try
            {
                PlaySound(fileName, IntPtr.Zero, (int)(PlaySoundFlags.SND_FILENAME | PlaySoundFlags.SND_SYNC));
            }
            catch (Exception ex)
            {
                MessageBox.Show("Can't play sound file. " + ex.ToString());
            }
        }
    }
}